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Final A32 refactor

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This commit is contained in:
MerryMage 2018-01-04 21:12:02 +00:00
parent 455757d7b6
commit 9d15e0a8e1
29 changed files with 447 additions and 342 deletions
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80
src/backend_x64/reg_alloc.cpp
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@ -39,38 +39,6 @@ static bool IsSameHostLocClass(HostLoc a, HostLoc b) {
|| (HostLocIsSpill(a) && HostLocIsSpill(b));
}
static void EmitMove(BlockOfCode* code, HostLoc to, HostLoc from) {
if (HostLocIsXMM(to) && HostLocIsXMM(from)) {
code->movaps(HostLocToXmm(to), HostLocToXmm(from));
} else if (HostLocIsGPR(to) && HostLocIsGPR(from)) {
code->mov(HostLocToReg64(to), HostLocToReg64(from));
} else if (HostLocIsXMM(to) && HostLocIsGPR(from)) {
code->movq(HostLocToXmm(to), HostLocToReg64(from));
} else if (HostLocIsGPR(to) && HostLocIsXMM(from)) {
code->movq(HostLocToReg64(to), HostLocToXmm(from));
} else if (HostLocIsXMM(to) && HostLocIsSpill(from)) {
code->movsd(HostLocToXmm(to), SpillToOpArg(from));
} else if (HostLocIsSpill(to) && HostLocIsXMM(from)) {
code->movsd(SpillToOpArg(to), HostLocToXmm(from));
} else if (HostLocIsGPR(to) && HostLocIsSpill(from)) {
code->mov(HostLocToReg64(to), SpillToOpArg(from));
} else if (HostLocIsSpill(to) && HostLocIsGPR(from)) {
code->mov(SpillToOpArg(to), HostLocToReg64(from));
} else {
ASSERT_MSG(false, "Invalid RegAlloc::EmitMove");
}
}
static void EmitExchange(BlockOfCode* code, HostLoc a, HostLoc b) {
if (HostLocIsGPR(a) && HostLocIsGPR(b)) {
code->xchg(HostLocToReg64(a), HostLocToReg64(b));
} else if (HostLocIsXMM(a) && HostLocIsXMM(b)) {
ASSERT_MSG(false, "Check your code: Exchanging XMM registers is unnecessary");
} else {
ASSERT_MSG(false, "Invalid RegAlloc::EmitExchange");
}
}
bool HostLocInfo::IsLocked() const {
return is_being_used;
}
@ -385,7 +353,7 @@ HostLoc RegAlloc::SelectARegister(HostLocList desired_locations) const {
}
boost::optional<HostLoc> RegAlloc::ValueLocation(const IR::Inst* value) const {
for (size_t i = 0; i < HostLocCount; i++)
for (size_t i = 0; i < hostloc_info.size(); i++)
if (hostloc_info[i].ContainsValue(value))
return static_cast<HostLoc>(i);
@ -448,13 +416,13 @@ void RegAlloc::Move(HostLoc to, HostLoc from) {
LocInfo(to) = LocInfo(from);
LocInfo(from) = {};
EmitMove(code, to, from);
EmitMove(to, from);
}
void RegAlloc::CopyToScratch(HostLoc to, HostLoc from) {
ASSERT(LocInfo(to).IsEmpty() && !LocInfo(from).IsEmpty());
EmitMove(code, to, from);
EmitMove(to, from);
}
void RegAlloc::Exchange(HostLoc a, HostLoc b) {
@ -472,7 +440,7 @@ void RegAlloc::Exchange(HostLoc a, HostLoc b) {
std::swap(LocInfo(a), LocInfo(b));
EmitExchange(code, a, b);
EmitExchange(a, b);
}
void RegAlloc::MoveOutOfTheWay(HostLoc reg) {
@ -492,9 +460,11 @@ void RegAlloc::SpillRegister(HostLoc loc) {
}
HostLoc RegAlloc::FindFreeSpill() const {
for (size_t i = 0; i < SpillCount; i++)
if (LocInfo(HostLocSpill(i)).IsEmpty())
return HostLocSpill(i);
for (size_t i = static_cast<size_t>(HostLoc::FirstSpill); i < hostloc_info.size(); i++) {
HostLoc loc = static_cast<HostLoc>(i);
if (LocInfo(loc).IsEmpty())
return loc;
}
ASSERT_MSG(false, "All spill locations are full");
}
@ -509,5 +479,37 @@ const HostLocInfo& RegAlloc::LocInfo(HostLoc loc) const {
return hostloc_info[static_cast<size_t>(loc)];
}
void RegAlloc::EmitMove(HostLoc to, HostLoc from) {
if (HostLocIsXMM(to) && HostLocIsXMM(from)) {
code->movaps(HostLocToXmm(to), HostLocToXmm(from));
} else if (HostLocIsGPR(to) && HostLocIsGPR(from)) {
code->mov(HostLocToReg64(to), HostLocToReg64(from));
} else if (HostLocIsXMM(to) && HostLocIsGPR(from)) {
code->movq(HostLocToXmm(to), HostLocToReg64(from));
} else if (HostLocIsGPR(to) && HostLocIsXMM(from)) {
code->movq(HostLocToReg64(to), HostLocToXmm(from));
} else if (HostLocIsXMM(to) && HostLocIsSpill(from)) {
code->movsd(HostLocToXmm(to), spill_to_addr(from));
} else if (HostLocIsSpill(to) && HostLocIsXMM(from)) {
code->movsd(spill_to_addr(to), HostLocToXmm(from));
} else if (HostLocIsGPR(to) && HostLocIsSpill(from)) {
code->mov(HostLocToReg64(to), spill_to_addr(from));
} else if (HostLocIsSpill(to) && HostLocIsGPR(from)) {
code->mov(spill_to_addr(to), HostLocToReg64(from));
} else {
ASSERT_MSG(false, "Invalid RegAlloc::EmitMove");
}
}
void RegAlloc::EmitExchange(HostLoc a, HostLoc b) {
if (HostLocIsGPR(a) && HostLocIsGPR(b)) {
code->xchg(HostLocToReg64(a), HostLocToReg64(b));
} else if (HostLocIsXMM(a) && HostLocIsXMM(b)) {
ASSERT_MSG(false, "Check your code: Exchanging XMM registers is unnecessary");
} else {
ASSERT_MSG(false, "Invalid RegAlloc::EmitExchange");
}
}
} // namespace BackendX64
} // namespace Dynarmic